<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport"
    content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <button>post请求</button>
  <!-- 导入了 在线的js文件 -->
  <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
  <script>
    document.querySelector('button').addEventListener('click', () => {
      axios.post('http://ajax-api.itheima.net/api/login', {
        // params: {
        //   username: 'admin',
        //   password: '123456'
        // },
        username: 'admin',
        password: '123456'
      })
        .then(res => {
          console.log(res)
        })
        .catch(err => {
          console.error('err');
          console.error(err);
        })
    })
  </script>
</body>

</html>